Setting up dcc

I have numerous issues setting it up. Is there a step by step for using with
sendmail. I am currently getting the following errors.
when I try to run dccm I get the following error. DCC: cannot start dccm
because it has not been installed
Also when I start sendmail I get the following error
incoming sendmail: WARNING: Xdcc: local socket name @dcc_rundir@/dccm
missing
SKP